Visiting local bars in Churchill is more fun in good weather. These rainfall averages and temperatures can help you decide the best time for bar hopping. The hottest months are usually August and July with an average temp of 49°F, while the coldest months are February and January with an average of -6°F. The snowiest months in Churchill are January, April, February, and March, with each month seeing an average of 14 inches of snowfall.